It's a sad day in the world of sports. Canadian freestyle skier Sarah Burke has died from injuries sustained during an accident on January 10th. The 29-year-old skiing phenom was training at a resort in Park City, Utah, on The Superpipe (a daunting canyon with 22-foot high walls that's carved into the side of a ski… » 1/19/12 9:00pm 1/19/12 9:00pm